Thread: Java, detect if String is not a digit

i wanted know if there mechanism in java api check string object , able tell if of characters not digits.

know can use integer (or long, short, etc...) , pass string constructor. however, throw numberformatexception if string not represent number.

looking gentler way of checking, returns boolean result instead of throwing exception.

of course, re-invent wheel , code own solution this, wanted check if there in api this.

the character class provide need.

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